<template>
  <div
    :class="animate"
    :style="{ height: height, width: width }"
    :id="chartOption.bindingDiv"
    ref="chartDiv"
  />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "@/views/dashboard/mixins/resize";

import "../../animate/animate.css";

import { parseQueryString, fIsUrL } from "../../util/urlUtil";
import { linkChart } from "../../util/LinkageChart";
import { chartApiBar, remoteChartApi ,chartBIanalysis } from "@/api/tool/datav/chartApi";

import { addOption } from "../../codegen/codegen";

import { pictorialBarBIanalysis } from "@/api/tool/datav/chartBI/chartPictorialBarBI";
import { getFormsource } from "@/api/tool/datav/formsource";
import { dealWithData,testData } from "../../util/utilFun.js";
const animationDuration = 6000;
import VueEvent from "@/views/tool/datav/VueEvent";
import { websocketCommand } from "../../util/websocket.js";
import { ifError } from "assert";
import { forEach } from 'jszip';

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "100%"
    },
    chartOption: {
      type: Object
    },
    drawingList: {
      type: Array
    }
  },
  data() {
    return {
      chart: null,
      //dataOption: this.chartOption,
      timer: "",
      wsObj: null,
      wsFlag: false,
      wsTimer: "",
      wsValue: null,
      animate: this.className
    };
  },
  watch: {
    width() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    height() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    chartOption: {
      deep: true,
      handler(newVal) {
        this.$nextTick(() => {
          this.setOptions(JSON.parse(JSON.stringify(newVal)));
        });
      }
    },
    "chartOption.theme": {
      handler() {
        if (this.chart != null) {
          this.chart.dispose();
          this.chart = null;
          this.initChart();
        }
      }
    },
    "chartOption.timeout": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.dataSourceType": {
      handler(value) {
        //切换数据源重新连接
        if (value !== "websocket") {
          this.wsFlag = false;
          //每次切换数据源恢复原来动画
          this.animate = this.className;
        }
        if (value !== "url") {
          clearTimeout(this.timer);
        } 
      }
    },
    "chartOption.interfaceKey": {
      handler(newValue, oldValue) {
        //初始化不创建连接，改变接口地址重新创建
        if (oldValue !== undefined && oldValue != "") {
          this.wsValue = null;
          this.closeWs();
          this.createWs();
          this.animate = this.className;
        }
      }
    },
    wsFlag: {
      handler(value) {
        if (!value) {
          this.wsValue = null;
          this.closeWs();
        }
      }
    },
    className: {
      handler(value) {
        this.animate = value;
      }
    }
  },
  mounted() {
    this.initChart();
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
    clearTimeout(this.timer);
    if (this.wsFlag) {
      this.closeWs();
    }
  },
  methods: {
    initChart() {
      echarts.registerTheme("customTheme", this.chartOption.theme);
      this.chart = echarts.init(this.$el, "customTheme");
      
      //判断是否开启定时器，当是访问url接口时候并且timeout不为0时候开启定时器
      if (this.timer != "") {
        clearTimeout(this.timer);
      }
      if (
        (this.chartOption.dataSourceType == 'url' || this.chartOption.dataSourceType == 'database') &&
        this.chartOption.timeout > 0
      ) {
        let timerTask = () => {
          this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
          this.timer = setTimeout(() => {
            timerTask();
          }, this.chartOption.timeout);
        };

        timerTask();
      }else{
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    setOptions: async function(dataOption) {
      // console.log("=>",dataOption)

      //初始化数据，判断数据源
      //如果不是静态数据就调用接口给staticDataValue赋值
      if (dataOption.dataSourceType == "url") {
        let paramJson = parseQueryString(dataOption.requestParameters);
        //let interfaceURL = 'http://localhost:8088/chart/api/bar';
        let interfaceURL = dataOption.interfaceURL;
        dataOption.staticDataValue = await chartApiBar(
          dataOption.requestMethod,
          interfaceURL,
          paramJson,
          dataOption.token
        );
      } else if (dataOption.dataSourceType == "database") {
        if (
          dataOption.database.executeSql != undefined &&
          dataOption.database.executeSql != ""
        ) {
          let result = [];
          if(dataOption.database.sqlType != 'custom'){
          
            result = await pictorialBarBIanalysis(dataOption.database);
          }else{
            result = await chartBIanalysis(dataOption.database);
          }
          if (result.code == 200) {
            dataOption.staticDataValue = result.data;
          } else {
            alert("操作数据库错误");
          }
        }
      } else if (dataOption.dataSourceType == "form") {
        if (dataOption.formSource != undefined) {
          let response = await getFormsource(dataOption.formSource.id);
          dataOption.staticDataValue = JSON.parse(response.data.formData);
        }
      } else if (dataOption.dataSourceType == "websocket") {
        if (
          dataOption.interfaceKey != undefined &&
          dataOption.interfaceKey != ""
        ) {
          if (!this.wsFlag) {
            this.wsFlag = true;
            this.wsValue = null;
            this.createWs();
          }
          if (this.wsValue != null) {
            dataOption.staticDataValue = this.wsValue;
          }
        }
      }

      if (dataOption.animate != null) {
        //添加动画样式
        //animateUtil.addAnimate(dataOption.bindingDiv, dataOption.animate);
      }
      if(dataOption.newDataFormat == true && !(dataOption.dataSourceType == 'database' && dataOption.bi != null)){
        let sortData = dealWithData(dataOption.staticDataValue,"series");
        let staticValue = {};
        let dataTest = [];
        let axisDataTest = [];
        sortData.forEach(element => {
          axisDataTest = [];
          let valueTest = [];
          let seriesData = dealWithData(element.data,"type");
          seriesData.forEach(ele => {
            ele.data.forEach(obj => {
              valueTest.push(obj.value);
              axisDataTest.push(obj.name);
            });
            
          });
          
          dataTest.push({"name":element.type,"value":valueTest})
        });
        staticValue.axisData = axisDataTest;
        staticValue.data = dataTest;
        dataOption.staticDataValue = staticValue;
      }
      var seriesData = [];
      var axisData = dataOption.staticDataValue.axisData;
      var maxList = [];

      if (dataOption.barOrient == "纵向") {
        dataOption.xAxis.data = axisData;
      }
      if (dataOption.barOrient == "横向") {
        dataOption.yAxis.data = axisData;
      }
      for (const value of dataOption.staticDataValue.data) {
        // console.log('value',value)
        let data = JSON.parse(JSON.stringify(dataOption.series[0]));
        data.type = "pictorialBar";
        data.name = value.name;
        maxList.push(value.max);
        //显示占比时，增加symbolBoundingData，即每类数据的最大值
        if (dataOption.showAll == true) {
          data.symbolBoundingData = value.max;
        }

        if (dataOption.imageList.length > 0) {
          data.data = [];
          for (let index in value.value) {
            let symbolData = {};
            //如果上传的图片数量小于数据类别的数量，则前面的用图片，后面的用最后一个图案
            if (index < dataOption.imageList.length) {
              symbolData.value = value.value[index];
              symbolData.symbol =
                "image://" +
                process.env.VUE_APP_BASE_API +
                dataOption.imageList[index].imagePath;
              data.data.push(symbolData);
            } else {
              symbolData.value = value.value[index];
              symbolData.symbol =
                "image://" +
                process.env.VUE_APP_BASE_API +
                dataOption.imageList[dataOption.imageList.length - 1].imagePath;
              data.data.push(symbolData);
            }
          }
        } else {
          data.data = value.value;
        }
        data.symbolMargin = dataOption.symbolMargin + "%";
        data.label.show = false;
        seriesData.push(data);
      }

      //比例背景
      if (dataOption.showAll == true) {
        let dataLength = seriesData.length;
        //扩大series数组
        for (let index = 0; index < dataLength * 2; index += 2) {
          //为占比添加标签
          let newSeriesTemp = JSON.parse(JSON.stringify(seriesData[index]));
          //计算百分比
          let labelFormatter = e => {
            return (
              (
                (`${e.value}` / `${newSeriesTemp.symbolBoundingData}`) *
                100
              ).toFixed(0) + " %"
            );
          };

          let label = newSeriesTemp.label;
          label.formatter = labelFormatter;
          label.show = dataOption.series[0].label.show;
          label.offset = [dataOption.labelOffset0, dataOption.labelOffset1];
          newSeriesTemp.label = label;
          newSeriesTemp.symbolClip = false;
          newSeriesTemp.itemStyle = { opacity: 0.3 };
          // newSeriesTemp.label.show = false
          if (dataOption.barOrient == "横向") {
            newSeriesTemp.symbolOffset = [0, dataOption.symbolOffset[1]];

            dataOption.xAxis.max =
              dataOption.staticDataValue.axisMax || this.getMax(maxList);
          } else if (dataOption.barOrient == "纵向") {
            newSeriesTemp.symbolOffset = [dataOption.symbolOffset[0], 0];
            dataOption.yAxis.max =
              dataOption.staticDataValue.axisMax || this.getMax(maxList);
          }

          newSeriesTemp.z = 1;
          //在每一条series数据后，插入占比背景
          seriesData.splice(index + 1, 0, newSeriesTemp);
        }
      }

      let option = {
        title: dataOption.title,
        tooltip: dataOption.tooltip,
        legend: dataOption.legend,
        grid: {
          top: "15%",
          left: "0%",
          right: "15%",
          bottom: "10%",
          containLabel: true
        },
        xAxis: dataOption.xAxis,
        yAxis: dataOption.yAxis,
        series: seriesData
      };

      //执行通用处理函数
      if(dataOption.customData != undefined && dataOption.customData != ""){
        try {
          option = (
          
            //里面为要处理的代码块
          eval(dataOption.customData) 
          
          )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
          );
        } catch (error) {
          console.log(error)
        }
       } 
        //交互组件配置
      if(dataOption.interactData != undefined && dataOption.interactData != ""){
          try {
              option = (        
              //里面为要处理的代码块
              eval(dataOption.interactData)             
            )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
            );
          } catch (error) {
            console.log(error)
          }               
       }

      
      this.chart.setOption(option, true);
      let setting = {
        bindingType: "pictorialBar",
        option: option,
        symbolList: dataOption.imageList
      };
      addOption(dataOption.bindingDiv, setting);

      //开启图表联动
      if (dataOption.isLink == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          // console.log("params",params)
          //设置参数
          let arrObject = {
            legendName: params.name,
            seriesName: params.seriesName,
            data: params.value
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let bindList = this.chartOption.bindList;

          if (bindList.length > 0) {
            linkChart(dataOption.arrName, arrs, bindList, this.drawingList);
          }
        });
      }
      // else{
      //   //关闭图表联动，取消echart点击事件
      //   this.chart.off('click');
      // }

      //开启图表下钻
      else if (dataOption.isDrillDown == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //设置参数
          let arrObject = {
            legendName: params.name,
            seriesName: params.seriesName,
            data: params.value
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let drillDownChartOption = this.chartOption.drillDownChartOption;

          if (
            drillDownChartOption != undefined &&
            drillDownChartOption != null
          ) {
            this.$set(
              this.chartOption.drillDownChartOption.chartOption,
              "requestParameters",
              "drillParam=" + arrs
            );
            //发送下钻消息
            VueEvent.$emit(
              "drill_down_msg",
              this.chartOption.drillDownChartOption
            );
          }
        });
      } else {
        //关闭图表联动，取消echart点击事件
        this.chart.off("click");
      }
      // this.chart.getZr().off('click');
      // this.chart.getZr().on('click',(params) => {
      //   let point=[params.offsetX,params.offsetY];
      //   if(this.chart.containPixel('grid',point)){
      //       let xIndex=this.chart.convertFromPixel({seriesIndex:0}, point)[0];

      //       let op=this.chart.getOption();
      //       let name=op.xAxis[0].data[xIndex];

      //   }

      // })
      if (dataOption.isRemote == true) {
        if (dataOption.remote != undefined && dataOption.remote != null) {
          this.chart.off("click");
          this.chart.on("click", params => {
            //设置参数
            let arrObject = {
              legendName: params.name,
              seriesName: params.seriesName,
              data: params.value
            };

            let remoteData = { ...dataOption.remote };
            remoteData.query = arrObject;
            //调用接口
            remoteChartApi(remoteData);
          });
        }
      }
    },
    //  ws连接成功，后台返回的ws数据
    receiveMsg(e) {
      if (e.action == "chat") {
        // console.log('服务端推送',e);
        this.wsValue = JSON.parse(e.result);
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    // 建立连接、发起ws请求，以心跳方式，向服务端发送数据
    createWs() {
      this.wsObj = new WebSocket(process.env.VUE_APP_WEBSOCKET);
      // 若为对象类型，以回调方式发送
      websocketCommand(
        this.wsObj,
        "create",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    },
    // 断网重连，需要处理的逻辑
    reconnectWs() {
      if (this.wsObj) {
        console.log("%c websocket_reconnect", "color:blue");
        this.createWs();
      }
    },
    // 以回调方式向服务端发送(对象类型的)心跳
    sendHeartBeat() {
      if (this.wsTimer != "") {
        clearTimeout(this.wsTimer);
      }

      let wsTimerTask = () => {
        console.log("发送心跳", "ping");
        let obj = { action: "keep", key: this.chartOption.interfaceKey };
        this.wsObj.send(JSON.stringify(obj));
        this.wsTimer = setTimeout(() => {
          wsTimerTask();
        }, parseInt(process.env.VUE_APP_WEBSOCKET_TIMEOUT));
        this.wsWarning();
      };
      wsTimerTask();
    },

    wsWarning() {
      //如果断开连接则显示组件警告动画并清除计数器
      if (this.wsObj.readyState == 3) {
        this.animate = "warning";
        clearTimeout(this.wsTimer);
      }
    },
    closeWs() {
      clearTimeout(this.wsTimer);
      websocketCommand(
        this.wsObj,
        "close",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
      this.wsObj = null;
    },
    getMax(array) {
      let max = array[0];
      for (let index = 0; index < array.length; index++) {
        if (max < array[index]) {
          max = array[index];
        }
      }
      return max;
    }
  }
};
</script>
